CN214809923U

CN214809923U - Catalyst preparation system

Info

Publication number: CN214809923U
Application number: CN202120421548.9U
Authority: CN
Inventors: 张飞虎
Original assignee: Hongji Formosa Petrochemical Co Zhejiang
Current assignee: Hongji Formosa Petrochemical Co Zhejiang
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-23
Anticipated expiration: 2031-02-25

Abstract

The utility model provides a catalyst configuration system belongs to chemical industry equipment technical field. It includes catalyst batching jar, filter, metering tank, measuring pump, first filter and second filter, and catalyst batching jar and measuring tank link to each other with the measuring pump respectively, and catalyst batching jar is including adding oily entry and material volume controlgear. The catalyst C is cyclohexyl methyl dimethoxy silane, and is combined with a high-efficiency catalyst to be used as an isotactic regulator in the production process of polypropylene. The utility model discloses the volume of adding and the proportion of adding of catalyst and white oil can be controlled to the material quantity control equipment that is equipped with, also can guarantee that catalyst pump export flow is stable, reduces the consumption of catalyst, reduces the cost of product. The utility model discloses the device design is simple, and pump export flow is stable, is applied to the production of polypropylene, reduces the manufacturing cost of polypropylene by a wide margin.

Description

Catalyst preparation system

Technical Field

The utility model belongs to the technical field of chemical industry equipment, a catalyst configuration system is related to.

Background

The C catalyst is cyclohexyl methyl dimethoxy silane, and is used as an isotactic regulator in combination with a high-efficiency catalyst. In the absence of cyclohexylmethyldimethoxysilane, polymerization with high efficiency catalysts results in a significant amount of atactic polypropylene. Unlike isotactic polypropylene, this atactic polypropylene (the rubber phase) is very sticky and causes serious quality problems and difficulties in product handling.

Homopolymer polypropylene requires the addition of 10g/tpp of C catalyst, and the addition of C catalyst per hour per production line is 0.15Kg calculated on the yield. When the existing C catalyst charging pump runs at a small flow, the flow fluctuation of the outlet of the pump is large and often fluctuates to 0, which is not beneficial to the control of central control. In the prior production process, excessive addition of the C catalyst causes waste of the C catalyst.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a catalyst configuration system.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

catalyst configuration system, including catalyst batching jar, the filter, the metering tank, the measuring pump, first filter and second filter, catalyst batching jar and metering tank link to each other with the measuring pump respectively, be equipped with first filter between catalyst batching jar and the measuring pump, the metering tank is equipped with the second filter with the measuring pump respectively, catalyst batching jar is including adding oil inlet and material volume detection mouth, the roof at catalyst batching jar is established to the oil inlet, the lateral wall at catalyst batching jar is established to material volume detection mouth. The catalyst C is cyclohexyl methyl dimethoxy silane, and is combined with a high-efficiency catalyst to be used as an isotactic regulator in the production process of polypropylene.

In the catalyst configuration system, the system further comprises a flow meter, and the metering pump is further connected with the flow meter.

In the above catalyst arrangement system, the additional oil inlet is provided in the top wall of the catalyst distribution tank.

In foretell catalyst configuration system, catalyst batching jar includes feed inlet, nitrogen gas entry and export, and catalyst batching jar lateral wall is equipped with the feed inlet, and catalyst batching jar roof is equipped with nitrogen gas entry, and catalyst batching jar diapire is equipped with the export.

In the catalyst configuration system, the catalyst dosing tank further comprises a pneumatic pump, and the pneumatic pump is connected with the nitrogen inlet.

In the above catalyst preparation system, the catalyst dosing tank further comprises a stirrer, and the stirrer is arranged in an inner cavity of the catalyst dosing tank.

In the above catalyst preparation system, the stirrer comprises a stirring shaft, and the extension direction of the stirring shaft is consistent with the axial direction of the catalyst batching tank.

In the catalyst preparation system, the stirrer further comprises a motor and a speed reduction motor, wherein the motor and the speed reduction motor are both connected with the stirring shaft, and the motor is arranged on the lower side of the speed reduction motor.

In foretell catalyst configuration system, the material volume detects the mouth and includes level transmitter installing port and level gauge installing port, and level transmitter installing port and level gauge installing port set up in catalyst batching jar lateral wall.

In the catalyst configuration system, the connecting line of the liquid level transmitter mounting port and the axis of the catalyst batching tank is A, the connecting line of the liquid level meter mounting port and the axis of the catalyst batching tank is B, the included angle between A and B is alpha, and alpha is more than 30 degrees and less than 80 degrees.

In the above catalyst arrangement system, α is 60 °.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses well material volume detects mouthful installation material volume controlgear, can guarantee that catalyst pump export flow is stable, reduces the consumption of catalyst simultaneously, reduces the cost of product.

The utility model discloses catalyst configuration jar that is equipped with adds catalyst and white oil respectively in the catalyst configuration jar through the pneumatic pump, and material quantity control equipment control catalyst and white oil are added in proportion, and catalyst mass fraction is 30% promptly, makes the catalyst consumption reduce, reduces the manufacturing cost of polypropylene by a wide margin, is applicable to the mass production of polypropylene.

The utility model discloses in, catalyst configuration jar area stirring function makes the catalyst homogenization in the white oil under the effect of stirring, makes pump export flow stable.

The device of the utility model has simple design and stable outlet flow.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the construction of the catalyst dosing tank.

Fig. 3 is a schematic view of the angle α.

In the figure: the device comprises a catalyst batching tank 1, a material quantity control device 12, a liquid level transmitter 121, a liquid level meter 122, a metering tank 2, a metering pump 3, a first filter 4, a second filter 5, an additive oil inlet 11, a flow meter 6, an outlet 16, a feed inlet 13, a nitrogen inlet 14, a stirring shaft 151, a motor 152, a speed reducing motor 153, an outlet 16, A, B and alpha.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, catalyst configuration system, including catalyst batching jar 1, metering tank 2, measuring pump 3, first filter 4 and second filter 5, catalyst batching jar 1 and measuring tank 2 link to each other with measuring pump 3 respectively, be equipped with first filter 4 between catalyst batching jar 1 and the measuring pump 3, measuring tank 2 is equipped with second filter 5 with measuring pump 3 respectively, catalyst batching jar 1 is including adding oily entry 11 and material volume detection mouth 12, it establishes the roof at catalyst batching jar 1 to add oily entry 11, material volume detection mouth 12 establishes the lateral wall at catalyst batching jar 1. The catalyst C is cyclohexyl methyl dimethoxy silane, and is combined with a high-efficiency catalyst to be used as an isotactic regulator in the production process of polypropylene. In the production process of homopolymer polypropylene, the addition amount of the C catalyst is controlled to be 10g/tpp, and the addition amount of the C catalyst per hour of each production line is 0.15 Kg. Through the material quantity control equipment installed at the material quantity detection port 12, the stability of the outlet flow (0.5Kg/h) of the C catalyst pump can be ensured, and meanwhile, the consumption of the C catalyst is reduced, and the product cost is reduced. Adding the catalyst C and the white oil into the catalyst preparation tank 1, and controlling the addition of the catalyst C and the white oil in proportion by a material quantity control device arranged at a material quantity detection port 12, namely controlling the mass fraction of the catalyst C to be 30%.

Preferably, the device further comprises a flow meter 6, and the metering pump 3 is further connected with the flow meter 6. The flow meter 6 controls the flow rate of the white oil mixed with the catalyst C into the reaction system.

Preferably, catalyst batching jar 1 includes feed inlet 13, nitrogen gas entry 14 and export 16, and 1 lateral wall of catalyst batching jar is equipped with feed inlet 13, and 1 roof of catalyst batching jar is equipped with nitrogen gas entry 14, and 1 diapire of catalyst batching jar is equipped with export 16. Is added into the catalyst dosing tank 1 through a feed inlet 13 on the side wall. The white oil is added into the catalyst batching tank 1 through the oil filling inlet 11 arranged on the top wall. The C catalyst mixed with the white oil flows through the outlet 16 to the next reaction flow of the production process.

Preferably, the catalyst dosing tank 1 further comprises a pneumatic pump connected to the nitrogen inlet 14. The catalyst C and the white oil are respectively added into the catalyst preparation tank 1 through a pneumatic pump, and the material quantity control equipment arranged at the material quantity detection port 12 controls the catalyst C and the white oil to be added in proportion, namely the mass fraction of the catalyst C is controlled to be 30%.

Preferably, catalyst batching jar 1 still includes the agitator, and the inner chamber of catalyst batching jar 1 is located to the agitator. The catalyst preparation tank 1 is equipped with a stirrer, and the catalyst C is homogenized in white oil under the action of stirring.

Preferably, the stirrer comprises a stirring shaft 151, and the extending direction of the stirring shaft 151 is consistent with the axial direction of the catalyst batching tank 1. The extension direction of the stirring shaft 151 is vertical to the horizontal plane, namely is consistent with the axial direction of the catalyst batching tank 1, so that the homogenization effect of the catalyst C in the white oil is optimal.

Preferably, the stirrer further comprises a motor 152 and a speed reduction motor 153, the motor 152 and the speed reduction motor 153 are both connected with the stirring shaft 151, and the motor 152 is arranged on the lower side of the speed reduction motor 153. The rotation speed of the stirring shaft is controlled by a motor 152 and a reduction motor 153.

Preferably, material volume detects mouth 12 and includes level transmitter installing port 121 and level gauge installing port 122, and level transmitter installing port 121 and level gauge installing port 122 set up in 1 lateral wall of catalyst batching jar. The liquid level transmitter and the liquid level meter control the adding amount and the adding ratio of the catalyst C and the white oil.

Preferably, the connecting line of the liquid level transmitter mounting port 121 and the axis of the catalyst batching tank 1 is A, the connecting line of the liquid level meter mounting port 122 and the axis of the catalyst batching tank 1 is B, the included angle between A and B is alpha, and the angle is more than 30 degrees and less than 80 degrees. The liquid level transmitter and the liquid level meter form a certain included angle, and the liquid level transmitter and the liquid level meter are not interfered with each other when testing the adding amount of the catalyst C and the white oil, so that the testing accuracy is improved.

Preferably, α is 60 °.

The working process of the embodiment is as follows: in the production process of polypropylene, the C catalyst, i.e. cyclohexyl methyl dimethoxy silane, is combined with a high efficiency catalyst to be used as an isotactic regulator. In the production process of homopolymer polypropylene, the addition amount of the C catalyst is controlled to be 10g/tpp, and the addition amount of the C catalyst per hour of each production line is 0.15 Kg. The material quantity detection port 12 is provided with a material quantity control device. The catalyst C and the white oil are respectively added into the catalyst preparation tank 1 through a pneumatic pump, and the material quantity control equipment controls the catalyst C and the white oil to be added in proportion, namely the mass fraction of the catalyst C is controlled at 30%. The equipment can ensure that the outlet flow of the C catalyst pump is stable, namely 0.5Kg/h, through the material quantity control equipment, and simultaneously reduces the consumption of the C catalyst and the cost of products.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Catalyst configuration system, a serial communication port, including catalyst batching jar (1), metering tank (2), measuring pump (3), first filter (4) and second filter (5), catalyst batching jar (1) and measuring tank (2) link to each other with measuring pump (3) respectively, be equipped with first filter (4) between catalyst batching jar (1) and measuring pump (3), metering tank (2) are equipped with second filter (5) with measuring pump (3) respectively, catalyst batching jar (1) is including adding oily entry (11) and material volume detection mouth (12), it establishes the roof at catalyst batching jar (1) to add oily entry (11), the lateral wall at catalyst batching jar (1) is established in material volume detection mouth (12).

2. The catalyst arrangement system according to claim 1, further comprising a flow meter (6), the metering pump (3) being further connected to the flow meter (6).

3. The catalyst arrangement system according to claim 1, characterized in that the catalyst dosing tank (1) comprises a feed inlet (13), a nitrogen inlet (14) and an outlet (16), the side wall of the catalyst dosing tank (1) is provided with the feed inlet (13), the top wall of the catalyst dosing tank (1) is provided with the nitrogen inlet (14), and the bottom wall of the catalyst dosing tank (1) is provided with the outlet (16).

4. The catalyst deployment system of claim 3 wherein the catalyst dosing tank (1) further comprises a pneumatic pump connected to the nitrogen inlet (14).

5. The catalyst dispensing system of claim 1, wherein the catalyst dispensing tank (1) further comprises an agitator disposed in the interior of the catalyst dispensing tank (1).

6. The catalyst placement system according to claim 5, wherein the agitator comprises an agitator shaft (151), the agitator shaft (151) extending in the axial direction of the catalyst dosing tank (1).

7. The catalyst deployment system of claim 6 wherein the agitator further comprises a motor (152) and a gear motor (153), the motor (152) and the gear motor (153) both being connected to the agitator shaft (151), the motor (152) being disposed on the underside of the gear motor (153).

8. The catalyst configuration system according to claim 1, wherein the material amount detection port (12) comprises a liquid level transmitter mounting port (121) and a liquid level meter mounting port (122), and the liquid level transmitter mounting port (121) and the liquid level meter mounting port (122) are arranged on the side wall of the catalyst dosage tank (1).

9. The catalyst arrangement system of claim 8, wherein the connection line between the liquid level transmitter mounting port (121) and the axis of the catalyst dosing tank (1) is A, the connection line between the liquid level meter mounting port (122) and the axis of the catalyst dosing tank (1) is B, and the included angle between A and B is α, 30 ° < α <80 °.

10. The catalyst deployment system of claim 9 wherein α is 60 °.